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Siemens 3RV2041-4JA15 S3 Motor Protection Circuit Breaker

Siemens 3RV2041-4JA15 Size S3 Motor Protection Circuit Breaker with Aux

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ManufacturerSiemens

Part number3RV2041-4JA15

Type Motor Protection Circuit Breaker

Size S3

Class 10

Adjustable Current (A-release) 45...63 A

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Veteran-owned

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Motor protection Adjustable thermal overload Fixed short-circuit release Screw terminals Class 10 Standard switching capacity Integrated auxiliary switches (1 NO + 1 NC)

Product description

The Siemens 3RV2041-4JA15 is a Size S3 motor protection circuit breaker designed for Class 10 operation. It features an adjustable thermal overload range of 45 to 63 A and a fixed short-circuit release of 819 A. This model includes integrated transverse auxiliary switches, one NO and one NC, and uses screw terminals for standard switching capacity.

This breaker is ideal for motor protection applications requiring both reliable safeguarding and auxiliary signaling capabilities. It is widely used in industrial control panels for monitoring motor status or integrating with safety interlock systems.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Siemens 3RV2041-4JA15. We provide quality surplus components with fast shipping to keep your operations running smoothly.

Technical specifications

Type	Motor Protection Circuit Breaker
Size	S3
Class	10
Adjustable Current (A-release)	45...63 A
Fixed Current (N-release)	819 A
Connection Type	Screw Terminal
Switching Capacity	Standard
Auxiliary Contacts	1 NO + 1 NC

Common applications

Motor control panels

Industrial automation

Safety circuits

Process control

Machine monitoring

Large motor applications

Compatible systems

Suitable for integration into Siemens control systems and motor starter configurations.

Also known as

Siemens 3RV2 S3 breaker with aux 3RV20414JA15 Siemens motor starter protector with contacts S3

Replaces / compatible with

This circuit breaker with auxiliary contacts can replace basic motor protection devices where additional control or signaling functionality is needed.

Technical note

Expert tip

The auxiliary contacts are easy to mount and dismount from the side of the main circuit breaker, offering flexibility in panel design and maintenance.

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Frequently asked questions

Can the auxiliary contacts on the Siemens 3RV2041-4JA15 be used for signaling motor status?

Yes, the integrated 1 NO + 1 NC auxiliary contacts on the Siemens 3RV2041-4JA15 are designed for signaling purposes, such as indicating motor tripped status or confirming operational states to a control system.